Is CVE-2021-45422 in the CISA KEV catalog?

No. CVE-2021-45422 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-45422?

CVE-2021-45422 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2021-45422?

CVE-2021-45422 has an EPSS score of 3.31% (87th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-45422?

Upgrade reprise license manager to 16.0 or later.

CVE & CISA-KEV Catalog

CVE-2021-45422

MEDIUMEPSS 87th pctl

6.1

CVSS v3

NVD

Description

Reprise License Manager 14.2 is affected by a reflected cross-site scripting vulnerability in the /goform/activate_process "count" parameter via GET. No authentication is required.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

reprise license managerNVD

Affected:>= 14.2, < 16.0Fixed in:16.0CVE-2021-45422derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploit Intelligence

3.31%probability of exploitation in 30 days

87thpercentile

Elevated risk: more likely to be exploited than 87% of all known CVEs.

References

Exploit2

Third-Party Advisory1

getinfosec.news

Other references1

reprise.com

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-07-05.